Full Credits
35 members

Song Hye-kyo
Kang Mo-yeon· 16 ep

Song Joong-ki
Yoo Shi-jin· 16 ep

Kim Ji-won
Yoon Myung-joo· 16 ep

Jin Goo
Seo Dae-young· 16 ep

Onew
Lee Chi-hoon· 16 ep

Kang Shin-il
Lieutenant General Yoon· 16 ep

Cho Tae-kwan
Daniel Spencer· 16 ep

Jo Jae-yun
Jin Young-soo· 16 ep

Hyun Jyu-ni
Doctor Pyo· 16 ep

Jeon Soo-jin
Ri Ye-hwa· 16 ep

Lee Seung-joon
Song Sang-hyun· 16 ep

Kim Min-seok
Kim Ki-bum· 16 ep

Ahn Bo-hyun
Sergeant Im Gwang-nam· 16 ep

David Lee McInnis
Argus· 16 ep

Lee Yi-kyung
Kang Min-jae· 16 ep

Kim Byong-chul
Park Byung-soo· 16 ep

Park Hwan-Hee
Choi Min-Ji· 16 ep

Elena Zhernovaya
Valentine· 16 ep

Jo Woo-ri
Jang Hee-eun· 16 ep

Tae In-ho
Han Seok-won· 16 ep

Seo Jeong-yeon
Nurse Ha Ja-ae· 16 ep

Park Hoon
Choi Woo-geun· 16 ep

Choi Woong
Gong Cheol-ho· 16 ep

Shin Dong-hoon
Agent· 16 ep

Kim Hyo Myung
Thug· 16 ep

Ariane Desgagnés-Leclerc
Valentine· 16 ep

Matthew Douma
Captain Jordan· 3 ep

Anupam Tripathi
Man that gives the shoe to Dr. Kang· 2 ep

Yoo Ah-in
Bank Clerk Uhm Hong-sik· 1 ep

Derek Chouinard
U.S. Army Doctor· 1 ep

WENDY
Self· 1 ep

IRENE
Self· 1 ep

JOY
Self· 1 ep

SEULGI
Self· 1 ep

YERI
Self· 1 ep
19 members
Yoo Jong-sun
Director
Baek Sang-Hoon
Director
Lee Eung-bok
Director
Yoo Young-eun
Assistant Director
Kim Won-suk
Writer
Kim Eun-sook
Writer
Ham Yeong-hoon
Producer
LYN
Theme Song Performance
Mad Clown
Theme Song Performance
Chen
Theme Song Performance
K.Will
Theme Song Performance
Kim Na-young
Theme Song Performance
Bae Jin Young
Theme Song Performance
Lee Hae-ri
Theme Song Performance
Kang Min-kyung
Theme Song Performance
XIAH Junsu
Theme Song Performance
Gummy
Theme Song Performance
Yoon Mi-rae
Theme Song Performance
Kim So-yeon
Production Design